#include <stdio.h>

int main(int argc,char **argv)
{
	int a=0,b=0,c=0;
	printf("hello\n");
	printf("pls input first  num:\n");
	scanf("%d",&a);
	printf("pls input second num:\n");
	scanf("%d",&b);
	c=a+b;
	printf("%d+%d=%d\n",a,b,c);
	return 0;
}
